From: "Andrew Crabtree" <andrew_crabtree AT hp DOT com>
To: <djgpp-workers AT delorie DOT com>
Subject: RE: egcs-1.1.X   (Was: Re: Problems with collect2 in egcs-1.1.1 and 1.1.2preX)
Date: Wed, 3 Mar 1999 13:45:54 -0800
Message-ID: <003d01be65bf$370efa80$6dd22b0f@ros51675cra.rose.hp.com>
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Reply-To: djgpp-workers AT delorie DOT com


>  I don't have a Pentium manual here
I do

> to check but AFAIK only a few instructions were added between 386
> and Pentium, and I doubt GCC generates any of them:
Correct, but there is one I would be worried about.  Bswap was added to the
486 and gcc can and will generate it.

New Pentium Instructions

CMPXCHG8
CPUID
RDTSC

(also new control reguster instructions)

New 486 Instructions

BSWAP
XADD
CMPXCHG